B21D 53/645
Safety razor blades
Official title: {safety razor blades}
B21D53/645 (Safety razor blades) appears on 25 US grants and 36 published applications in this corpus.
Search patents in B21D- Granted patents
- 25
- Published applications
- 36
- Assignees
- 14
- Inventors
- 62
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 0 | 2 |
| 2013 | 2 | 3 |
| 2014 | 3 | 3 |
| 2015 | 0 | 1 |
| 2016 | 4 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Razor blade and composition for a razor blade4 Mar 2025US 12,240,136 B2Edgewell Personal Care Brands, LLC
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly28 May 2024US 11,992,963 B2
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly18 Apr 2023US 11,628,584 B2
- Method of manufacturing bent razor blades21 Apr 2020US 10,625,331 B2The Gillette Company
- Method of manufacturing a razor head component15 Oct 2019US 10,442,096 B2Bic-Violex SA
- Method of manufacturing a razor cartridge component3 Oct 2024US 2024/0326274 A1BIC Violex Single Member S.A.
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly20 Jul 2023US 2023/0226707 A1
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly29 Jun 2023US 2023/0202064 A1
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly17 Nov 2022US 2022/0362956 A1
- Razor blade and composition for a razor blade11 Aug 2022US 2022/0250266 A1Edgewell Personal Care Brands, LLC
Most cited
By later US patents
- Razor blade manufacture36US 5,701,788 AThe Gillette Company · 1997
- Razor blade31US 6,629,475 B1The Gillette Company · 2003
- Cutting members for shaving razors20US 8,499,462 B2The Gillette Company · 2013
- Cutting members for shaving razors16US 8,347,512 B2The Gillette Company · 2013
- Apparatus for manufacturing support members for razor blades15US 5,823,082 AThe Gillette Comany · 1998